Glow plug controller

Details Glow plug controller Glow plug controller

1994-03-17

1996-04-16

Dolinar, Andrew M.

Internal-combustion engines

Igniters

Incandescent

F02P 1902

Patent

active

055072550

ABSTRACT:
An improved glow plug controller for a diesel engine is disclosed. The glow plug controller has a novel packaging, and means for facilitating rapid and inexpensive assembly. A novel two-chamber tubular housing includes a smaller first chamber having a threaded exterior surface for engagement with a threaded hole in an engine block. This first chamber communicates with a larger second chamber also defined by the housing. A connector bearing conductive connector pins is provided for sealing the open end of the larger chamber. The connector includes a pair of support rails for engaging a piece of circuit board on which glow plug circuitry resides. In assembly, the circuit board is first mounted on the support rails which are subsequently inserted into the larger second chamber when the connector is affixed to the open end of the second chamber. The connector pins are conductively coupled to glow plug circuitry on the circuit board via portions of conductive foil on a surface of the circuit board. Each area of foil is aligned with a respective one of the connector pins, and the connector pins are directly conductively coupled to the foil areas by soldering. A unique short circuit cutoff is provided wherein a short circuit in the glow plug relay control disables application of power to the relay control circuit, and the power is re-enabled if the short circuit condition is remedied and the power to the glow plug controller is toggled.

REFERENCES:
patent: 4002924 (1977-01-01), Busch
patent: 4196467 (1980-04-01), Jakob et al.
patent: 4300491 (1981-11-01), Hara et al.
patent: 4573105 (1986-02-01), Beldavs
patent: 4600969 (1986-07-01), Hendrickson

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